Eclipse 4.x RCP feature is not a replacement for Eclipse 3.x RCP feature?https://www.eclipse.org/forums/index.php/mv/msg/246581/737042/#msg_737042
is there a reason why the feature org.eclipse.rcp doesn't suffice to
run an RCP application on top of the compatibility layer? Both in 4.1
and 4.2 I had to add these plug-ins: